JPH0219122B2 - - Google Patents
Info
- Publication number
- JPH0219122B2 JPH0219122B2 JP55109296A JP10929680A JPH0219122B2 JP H0219122 B2 JPH0219122 B2 JP H0219122B2 JP 55109296 A JP55109296 A JP 55109296A JP 10929680 A JP10929680 A JP 10929680A JP H0219122 B2 JPH0219122 B2 JP H0219122B2
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- water
- monomer
- aqueous solution
- polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000006116 polymerization reaction Methods 0.000 claims description 80
- 239000000178 monomer Substances 0.000 claims description 65
- 229920000642 polymer Polymers 0.000 claims description 53
- 239000000017 hydrogel Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 29
- 239000007864 aqueous solution Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229920006037 cross link polymer Polymers 0.000 claims description 19
- -1 alkali metal salts Chemical class 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 8
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims description 8
- 239000002736 nonionic surfactant Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000003863 ammonium salts Chemical class 0.000 claims description 5
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 description 33
- 239000003505 polymerization initiator Substances 0.000 description 17
- 239000002250 absorbent Substances 0.000 description 12
- 230000002745 absorbent Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 206010016807 Fluid retention Diseases 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000499 gel Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 2
- VAPQAGMSICPBKJ-UHFFFAOYSA-N 2-nitroacridine Chemical compound C1=CC=CC2=CC3=CC([N+](=O)[O-])=CC=C3N=C21 VAPQAGMSICPBKJ-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 239000002211 L-ascorbic acid Substances 0.000 description 2
- 235000000069 L-ascorbic acid Nutrition 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 238000012662 bulk polymerization Methods 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000007870 radical polymerization initiator Substances 0.000 description 2
- 229940047670 sodium acrylate Drugs 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- TURITJIWSQEMDB-UHFFFAOYSA-N 2-methyl-n-[(2-methylprop-2-enoylamino)methyl]prop-2-enamide Chemical compound CC(=C)C(=O)NCNC(=O)C(C)=C TURITJIWSQEMDB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- APZPSKFMSWZPKL-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(CO)(CO)CO APZPSKFMSWZPKL-UHFFFAOYSA-N 0.000 description 1
- 229940048053 acrylate Drugs 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
- 229940039790 sodium oxalate Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10929680A JPS5734101A (en) | 1980-08-11 | 1980-08-11 | Novel polymerization process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10929680A JPS5734101A (en) | 1980-08-11 | 1980-08-11 | Novel polymerization process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5734101A JPS5734101A (en) | 1982-02-24 |
| JPH0219122B2 true JPH0219122B2 (de) | 1990-04-27 |
Family
ID=14506574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10929680A Granted JPS5734101A (en) | 1980-08-11 | 1980-08-11 | Novel polymerization process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5734101A (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915409A (ja) * | 1982-07-20 | 1984-01-26 | Kyoritsu Yuki Kogyo Kenkyusho:Kk | 安定液の製造法 |
| JPS609638U (ja) * | 1983-06-30 | 1985-01-23 | 日本電産コパル株式会社 | ドツトプリンタの印字ヘツドにおける電磁プランジヤの空隙規制装置 |
| JPS609639U (ja) * | 1983-06-30 | 1985-01-23 | 日本電産コパル株式会社 | ドツトプリンタの印字ヘツドの初期インパクト力安定化構造 |
| JPS6055002A (ja) * | 1983-09-07 | 1985-03-29 | Nippon Shokubai Kagaku Kogyo Co Ltd | 新規連続重合方法 |
| US4625001A (en) * | 1984-09-25 | 1986-11-25 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for continuous production of cross-linked polymer |
| USRE32649E (en) * | 1985-06-18 | 1988-04-19 | The Procter & Gamble Company | Hydrogel-forming polymer compositions for use in absorbent structures |
| DE3537276A1 (de) * | 1985-10-19 | 1987-04-23 | Basf Ag | Verfahren zur kontinuierlichen herstellung von vernetzten feinteiligen gelfoermigen polymerisaten |
| KR940002553B1 (ko) * | 1987-04-30 | 1994-03-25 | 닛뽕쇼꾸 바이가가꾸고오교 가부시끼가이샤 | 친수성 중합체 및 그의 제조방법 |
| SU1797612A1 (ru) * | 1987-08-10 | 1993-02-23 | Nippon Catalytic Chem Ind | Cпocoб пoлучehия boдoпoглoщaющeй cmoлы |
| DE69133620D1 (de) * | 1990-12-21 | 2009-09-10 | Nippon Catalytic Chem Ind | Wasserabsorbierendes Material und Verfahren zu seiner Herstellung sowie wasserabsorbierender Artikel und Verfahren zu seiner Herstellung |
| TW241279B (de) * | 1991-02-01 | 1995-02-21 | Catalyst co ltd | |
| US5250640A (en) * | 1991-04-10 | 1993-10-05 | Nippon Shokubai Co., Ltd. | Method for production of particulate hydrogel polymer and absorbent resin |
| FR2700329B1 (fr) * | 1993-01-13 | 1995-03-24 | Rhone Poulenc Chimie | Compositions pour ciment comprenant un latex alcaligonflant et ciments obtenus à partir de ces compositions. |
| KR100909182B1 (ko) | 2001-09-12 | 2009-07-23 | 에보닉 스톡하우젠 게엠베하 | 초흡수성 중합체를 제조하기 위한 연속식 중합방법 |
| JP4087682B2 (ja) | 2002-11-07 | 2008-05-21 | 株式会社日本触媒 | 吸水性樹脂の製造方法および製造装置 |
| JP5232433B2 (ja) * | 2007-10-12 | 2013-07-10 | 株式会社日本触媒 | 重合体の製造方法、セメント混和剤用重合体、セメント混和剤、およびセメント組成物 |
| US8791210B2 (en) | 2009-02-17 | 2014-07-29 | Nippon Shokubai Co., Ltd. | Polyacrylic water-absorbent resin powder and method for producing the same |
| JP5647625B2 (ja) | 2009-12-24 | 2015-01-07 | 株式会社日本触媒 | ポリアクリル酸系吸水性樹脂粉末及びその製造方法 |
| JP6157853B2 (ja) | 2010-06-30 | 2017-07-05 | 株式会社日本触媒 | ポリアクリル酸系吸水性樹脂及びその製造方法 |
| KR20230057408A (ko) | 2020-09-25 | 2023-04-28 | 가부시키가이샤 닛폰 쇼쿠바이 | 흡수성 수지 분말의 제조 방법 |
| US20240101766A1 (en) | 2021-01-29 | 2024-03-28 | Nippon Shokubai Co., Ltd. | Method for producing water-absorbing resin |
| WO2023190494A1 (ja) | 2022-03-30 | 2023-10-05 | 株式会社日本触媒 | 吸水性樹脂粉末の製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5493089A (en) * | 1977-06-28 | 1979-07-23 | Nitto Chem Ind Co Ltd | Preparation of acrylamide polymer |
-
1980
- 1980-08-11 JP JP10929680A patent/JPS5734101A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5493089A (en) * | 1977-06-28 | 1979-07-23 | Nitto Chem Ind Co Ltd | Preparation of acrylamide polymer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5734101A (en) | 1982-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0219122B2 (de) | ||
| JP3119900B2 (ja) | 高吸水性ポリマーの製造法 | |
| US4985514A (en) | Method for production of water absorbent resin | |
| JPH0214361B2 (de) | ||
| JPS62132936A (ja) | 吸水性樹脂の造粒方法 | |
| JPH0912613A (ja) | 吸水性樹脂の製造方法 | |
| JPWO2019221154A1 (ja) | 吸水性樹脂粒子の製造方法 | |
| JP3363000B2 (ja) | 吸水性樹脂の製造方法 | |
| EP0323243A2 (de) | Hydrophiles Polymer und Verfahren zu seiner Herstellung | |
| JPH0710922B2 (ja) | 高吸水性樹脂の造粒方法 | |
| US9724670B2 (en) | Water absorbent polymers and a process for their preparation | |
| JPH03195713A (ja) | 高吸水性ポリマーの製造法 | |
| JPH03115313A (ja) | 吸水性樹脂の製造方法 | |
| JP2555159B2 (ja) | 吸水性樹脂の製造方法 | |
| JP4711122B2 (ja) | 吸水材 | |
| JPH0848721A (ja) | 吸水性樹脂の製造方法 | |
| JP2966539B2 (ja) | 含水ゲル状重合体の製造方法 | |
| JPH05310806A (ja) | 親水性重合体の製造方法 | |
| JP2005054050A (ja) | 吸水性樹脂の製造方法 | |
| JPS6295308A (ja) | ビ−ズ状高吸水性ポリマ−の製造方法 | |
| JP2801141B2 (ja) | 吸水性樹脂の製造方法 | |
| JP3917673B2 (ja) | 除湿材組成物の製造方法 | |
| JP3447551B2 (ja) | 水溶性ポリカルボン酸（塩）粉体の製造方法 | |
| WO2021132167A1 (ja) | 吸水性樹脂粒子、吸収体及び吸収性物品 | |
| JPS6295307A (ja) | ビ−ズ状自己架橋型吸水性ポリマ−の製造方法 |